Gİ EXERCISE
Fill in the blank.
1. To form a multicellular organism, a zygote must divide
2. Adult stem cells are considered , as they can
types in the tissue where they are located.

1) To form a multicellular organism, a zygote must divide into 16 cells which produces ball structure called a morula. After that, morula is converted into a structure called blastula.

2) Adult stem cells are responsible for the maintenance of tissues and repair the damage tissues in the body. It is also called somatic stem tissue. It increase in number through cell division.